$overlay{overlay_mid.html, space="negative"} template = ${title} -ve space (overlay_chain_neg.html) $begin{content} overlay_chain_neg ${parametrized} content $end{content} $begin{footer}overlay_chain_neg footer$end{footer}
$evoque{#header}
$evoque{#content}
$evoque{#footer}
$evoque{##footer}
$evoque{base.html#footer}